STEPPED-LOUVRE HEATING, VENTILATING AND AIR CONDITIONING UNIT USED IN HIGH-VELOCITY, LOW SPEED FAN

摘要

A manifold including a stepped louvre to control airflow along a fan blade. A fan blade for use in a high-volume, low-speed fan, wherein the fan blade includes a body portion, a leading edge portion and a trailing portion. The leading edge portion of the fan blade includes a series of steps extending along the length of the leading edge. The fan distributes airflow from the manifold.

主权项

1. A high-volume, low-speed fan comprising:
a fan blade mount affixed to an electromagnetic motor; a plurality of fan blades coupled to the fan blade mount having a length and width; and each of the fan blades having a body portion, a leading edge portion and a trailing portion; wherein the leading edge portion of the fan blade is configured to include a plurality of steps extending along the length of the leading edge portion of each fan blade; a trapezoid-shaped diffuser to accommodate airflow from an HVAC duct having a plurality of openings, wherein the diffuser is positioned adjacent the electromagnetic motor and above the fan blades relative to the floor; a plurality of louvres positioned within the plurality of openings of the trapezoid-shaped diffuser, wherein the louvre is configured to include a plurality of steps extending along an edge portion of the louvre.